STEVAL-MKI129V3 Microphone coupon board based on the MP34DT01 digital MEMS microphone Features

STEVAL-MKI129V3 Microphone coupon board based on the MP34DT01 digital MEMS microphone Features
STEVAL-MKI129V3
Microphone coupon board
based on the MP34DT01 digital MEMS microphone
Data brief
Features
• 4 x MP34DT01 top port digital MEMS
microphones
• Daughterboard to be used with STEVALMKI126Vx kit
• Vsupply from 1.64 V to 3.6 V
• 120 dBSPL acoustic overload point
• Omnidirectional sensitivity
• PDM single-bit output
• 63 dB of SNR
• Sensitivity -26 dBFS
• RoHS compliant
Description
The STEVAL-MKI129V3 is a daughterboard
designed to be used in conjunction with the
STEVAL-MKI126Vx (Smart Voice) kit, containing
4 MP34DT01 digital MEMS microphones.
The coupon concept allows easy performance
test of ST MEMS microphones. When inserted in
the Smart Voice board, it is possible to detach the
single PCBs hosting each microphone.
February 2013
Doc ID 024304 Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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Schematic diagram
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STEVAL-MKI129V3
Schematic diagram
Figure 1. STEVAL-MKI129V3 circuit schematic
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Revision history
Revision history
Table 1. Document revision history
Date
Revision
22-Feb-2013
1
Changes
Initial release.
Doc ID 024304 Rev 1
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STEVAL-MKI129V3
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